Offer FLUVAL U3 Poly Carbon Cartridge Filter Media x 48pk Special ...
The polyester filter pad side filters out fine debris and contaminants. The polyester filter pad side filters out fine debris and contaminants. The Carbon side filters out harmful liquid substances, colorants and odors. The Carbon side filters out harmful liquid substances, colorants and odors. Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process.